Index: sbin/adjkerntz/adjkerntz.8
===================================================================
--- sbin/adjkerntz/adjkerntz.8
+++ sbin/adjkerntz/adjkerntz.8
@@ -22,12 +22,12 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd March 8, 2012
+.Dd June 12, 2024
 .Dt ADJKERNTZ 8
 .Os
 .Sh NAME
 .Nm adjkerntz
-.Nd adjust the local time CMOS clock to reflect time zone changes and keep the current timezone offset for the kernel
+.Nd adjust the kernel and real-time clock timezone and offset
 .Sh SYNOPSIS
 .Nm
 .Fl i
@@ -37,7 +37,9 @@
 The
 .Nm
 utility maintains the proper relationship between the kernel clock, which
-is always set to UTC and the CMOS clock, which may be set to local time.
+is always set to UTC and the Real-Time Clock (RTC), which may be set to local
+time.
+The Real-Time Clock may also be called the CMOS Clock.
 The
 .Nm
 utility also informs the kernel about machine timezone shifts in order to
@@ -51,9 +53,9 @@
 timestamps.
 If the file
 .Pa /etc/wall_cmos_clock
-exists, it means that the CMOS clock keeps local time (MS-DOS and MS-Windows
-compatible mode).
-If that file does not exist, it means that the CMOS clock keeps UTC time.
+exists, it means that the real-time clock keeps local time (MS-DOS and
+MS-Windows default compatible mode).
+If that file does not exist, it means that the real-time clock keeps UTC time.
 The
 .Nm
 utility passes this state to the
@@ -76,7 +78,7 @@
 The
 .Nm
 utility puts itself into the background.
-Then, for a local time CMOS clock,
+Then, for a local time RTC,
 .Nm
 reads the local time from it
 and sets the kernel clock to the corresponding UTC time.
@@ -88,7 +90,7 @@
 .Em "'adjkerntz -a'"
 and by local time file systems.
 .Pp
-For a local time CMOS clock
+For a local time RTC
 .Em "'adjkerntz -i'"
 pauses and remains inactive as a background daemon until it
 receives a SIGTERM.
@@ -98,13 +100,13 @@
 is being shut down).
 After receiving the SIGTERM,
 .Nm
-reads the UTC kernel clock and updates the CMOS clock, if necessary,
+reads the UTC kernel clock and updates the RTC, if necessary,
 to ensure that it reflects the current local time zone.
 Then
 .Nm
 exits.
 .It Fl a Op Fl s
-This form is used to update the local time CMOS clock and kernel
+This form is used to update the local time RTC and kernel
 .Pa machdep.adjkerntz
 variable when time zone changes occur,
 e.g., when entering or leaving daylight savings time.
@@ -116,7 +118,7 @@
 calculate a new time zone offset.
 It stores the new offset into the
 .Pa machdep.adjkerntz
-kernel variable and updates the wall CMOS clock to the new local time.
+kernel variable and updates the RTC to the new local time.
 If
 .Em "'adjkerntz -a'"
 was started at a nonexistent time (during a timezone change), it exits
@@ -164,8 +166,8 @@
 .Xr zic 8 .
 .It Pa /etc/wall_cmos_clock
 Empty file.
-Its presence indicates that the machine's CMOS clock is set to local
-time, while its absence indicates a UTC CMOS clock.
+Its presence indicates that the machine's real-time clock is set to local
+time, while its absence indicates a UTC real-time clock.
 .El
 .Sh DIAGNOSTICS
 No diagnostics.